2(n-1)=-18

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Solution for 2(n-1)=-18 equation: 



2(n-1)=-18

We move all terms to the left:

2(n-1)-(-18)=0

We add all the numbers together, and all the variables

2(n-1)+18=0

We multiply parentheses

2n-2+18=0

We add all the numbers together, and all the variables

2n+16=0

We move all terms containing n to the left, all other terms to the right

2n=-16

n=-16/2

n=-8

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